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AlekseyPX
2 years ago
14

Compound formula: MgCl2

Chemistry
2 answers:
Tasya [4]2 years ago
8 0

Answer:

Element K

# of Atoms: 1

Element N

# of Atoms: 1

Element O

# of Atoms: 3

Gram formula weight (g): 101.11

Explanation:

umka2103 [35]2 years ago
7 0

Answer:

please where are the questions and also make your questions clear.

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Question 3 (1 point)
Hoochie [10]

Answer:

50 mol

Explanation:

Mass of methane = 800 g

Number of moles of CO₂ produced = ?

Solution:

Chemical equation:

CH₄ + 2O₂      →      CO₂ + 2H₂O

Number of moles of methane:

Number of moles = mass/molar mass

Number of moles = 800 g/ 16 g/mol

Number of moles = 50 mol

Now we will compare the moles of methane and carbon dioxide from balanced chemical equation.

                CH₄        :         CO₂

                   1           :          1

                 50          :        50

4 0
2 years ago
Modern oil tankers weigh over a half-million tons and have lengths of up to one-fourth miles. Such massive ships require a dista
uranmaximum [27]

Answer:

Acceleration = (change in speed) / (time for the change)

Change in speed= (0 - 26 km/hr) = -26 km/hr

(-26 km/hr) x (1,000 m/km) x (1 hr / 3,600 sec) = -7.222 m/sec

Average acceleration = (-7.222 m/s) / (22 min x 60sec/min) = -0.00547 m/sec²

Average speed during the stopping maneuver =

              (1/2) (start speed + end speed) = 13 km/hr = 3.6111 m/sec

Explanation:

4 0
3 years ago
What is 31 degrees Celsius in Fahrenheit
vovangra [49]
87.8 , 31 Celsius=87.8(88) in Fahrenheit
7 0
3 years ago
Read 2 more answers
2.40 kJ of heat is added to a slug of platinum and a separate 2.40 kJ of heat is added to a slug of zinc. The heat capacity of t
leonid [27]

Final temperature of platinum :-   36.5°C

Final temperature of Zinc :-  29.17°C


3 0
3 years ago
The part of the atom that is free to move between materials is???
Kruka [31]

Answer:

Electrons

Explanation:

4 0
2 years ago
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